:root{--ink:#17191c;--muted:#646b75;--line:#d9dce0;--bg:#fafaf8;--panel:#fff}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.55 Arial,sans-serif}header,main,footer{max-width:1180px;margin:auto;padding:26px}header{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line)}.brand{font-size:32px;font-weight:700;letter-spacing:-1.5px}a{color:inherit}h1{font-size:clamp(34px,4.8vw,58px);line-height:1.06;letter-spacing:-1.8px;font-weight:500;max-width:900px;margin:22px 0}h2{font-size:23px;line-height:1.25;font-weight:500;margin:0 0 14px}p{margin:10px 0}.muted,.help,small{color:var(--muted)}.lead{font-size:20px;max-width:850px}.badge{display:inline-block;font-size:12px;border:1px solid var(--line);border-radius:30px;padding:6px 12px}.grid{display:grid;grid-template-columns:1.12fr 1fr;gap:22px;margin:34px 0}.card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:24px}.actions{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0}.primary{background:var(--ink);color:white}button,.button{border:1px solid var(--line);padding:12px 17px;background:white;border-radius:7px;font:inherit;cursor:pointer;line-height:1.3;text-decoration:none}button.primary,.button.primary{background:var(--ink);color:white}button:disabled{opacity:.5;cursor:not-allowed}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #77828f;outline-offset:3px}.help{font-size:13px}.status{min-height:27px;font-size:14px}#transcript{height:280px;overflow:auto;border-top:1px solid var(--line);padding:10px 0;margin-top:16px}.message{padding:10px 12px;background:#f1f2f3;border-radius:6px;margin:10px 0}.message.user{background:#f6f6f3}.message small{display:block;font-size:11px;margin-bottom:4px}input,select{width:100%;padding:12px;border:1px solid var(--line);border-radius:7px;font:inherit}label{display:block;font-size:13px;margin:10px 0}form.compose{display:flex;gap:8px;margin-top:18px}form.compose input{flex:1;min-width:0}.quick{display:flex;flex-wrap:wrap;gap:8px}.quick button{font-size:13px;padding:8px 12px}audio{width:100%;margin:12px 0}.audio-box{border-top:1px solid var(--line);padding:16px 0}.audio-box:first-of-type{border-top:none}#audio-list .muted{font-size:14px}.facts{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:24px 0}.fact{padding:16px;border:1px solid var(--line);border-radius:8px;font-size:14px}.fact strong{display:block;font-size:19px;margin-bottom:7px;font-weight:500}.notice{background:#eceef0;border-radius:8px;padding:14px;font-size:13px}.login{max-width:470px;margin:10vh auto;padding:30px}.login .brand{margin-bottom:25px}footer{font-size:12px;border-top:1px solid var(--line)}[hidden]{display:none!important}@media(max-width:740px){header,main,footer{padding:20px}.grid,.facts{grid-template-columns:1fr}.card{padding:19px}h1{font-size:37px}.lead{font-size:18px}form.compose{flex-wrap:wrap}form.compose button{width:100%}}

input[type="checkbox"]{width:auto}
.intro-row{display:grid;grid-template-columns:1.2fr 1fr;gap:30px;align-items:center}.intro-row h1{font-size:43px}.presentation{background:#fafaf8;border:1px solid #dce0e1;border-radius:12px;overflow:hidden;margin:24px 0 16px;position:relative}.presentation img{display:block;width:100%;height:auto}.slide-bar{display:flex;gap:16px;align-items:center;padding:12px 18px;background:#f0f1f3;color:#626a77;font-size:13px}.slide-bar span:first-child{flex-shrink:0}.player-controls{display:flex;flex-wrap:wrap;align-items:center;gap:10px}#narration{width:100%;margin-top:16px}.downloads{margin-top:30px}.audio-box{margin-top:18px}.agent-orb{position:fixed;right:24px;bottom:24px;background:#17191c;color:#fff;border-radius:40px;padding:20px 25px;box-shadow:0 8px 30px #0002;z-index:3}dialog{border:1px solid #dce0e1;border-radius:20px;max-width:750px;width:calc(100% - 30px);max-height:90vh;padding:20px;overflow:auto}dialog::backdrop{background:#17191c88}.close-agent{float:right;margin-bottom:14px}dialog .card{border:none;padding:8px;clear:both}details{padding:16px;background:#f0f1f3;border-radius:10px;margin-top:18px}#slide-script{line-height:1.7}#slide-select{width:100%}.presentation:fullscreen{background:#fafaf8;display:flex;flex-direction:column;justify-content:center}.presentation:fullscreen img{max-height:95vh;object-fit:contain}footer{padding-bottom:110px}@media(max-width:650px){.intro-row{display:block}.intro-row h1{font-size:32px}.slide-bar{font-size:11px}.agent-orb{right:12px;bottom:12px;padding:15px 18px}.player-controls button{font-size:12px;padding:10px}.lead{font-size:16px}}

.fullscreen-actions{display:none}.presentation:fullscreen .fullscreen-actions{display:flex;gap:10px;justify-content:center;padding:12px;background:#fafaf8}.presentation:fullscreen img{max-height:calc(100vh - 125px)}

#cancel-download[hidden]{display:none!important}a[aria-disabled="true"]{opacity:.6;cursor:wait}